Stk412-230 Datasheet Pdf Official
The STK412-230 is a 2-channel audio power amplifier IC with a maximum output power of 120W per channel. It is designed to operate with a single power supply voltage, making it suitable for a wide range of applications. The IC features a built-in thermal shutdown circuit, which protects the device from overheating and damage.
If you are looking to purchase a replacement module for a repair or a DIY project:
In an age dominated by digital amplifiers, the STK412‑230 continues to be valued for its and its simplicity of implementation . It proves that an analog design, executed with clever power‑management techniques, can still hold its own in modern applications. For the service technician, it’s a lifeline for resurrecting classic audio gear. For the maker, it’s a pathway to building a high‑performance, no‑compromise stereo amplifier with components that are still widely available.
| Aspect | STK412-230 (Class AB) | Modern Class D (e.g., TPA3255) | |--------|----------------------|--------------------------------| | Power | 200W/ch | 300W/ch | | Efficiency | ~65% | >90% | | Heat | Requires large heatsink | Minimal heatsink | | Supply | Bipolar ±64V | Unipolar 48V | | Size | Large SIP module | Small IC + PCB | | Availability | Discontinued, difficult to find | Widely available | Stk412-230 Datasheet Pdf
Low (+ / -): Connects to the standby/low-power rail voltage supply (typically ±plus or minus ±plus or minus
Some of the key features of the STK412-230 include:
For detailed reference, the official sample application circuit is available in the official datasheet. The STK412-230 has been used as a main amplifier in various commercial audio products, including multi-channel home theater receivers from brands like Pioneer, sometimes with separate power supplies for front and surround channels. The STK412-230 is a 2-channel audio power amplifier
High Voltage Negative Supply (-Vcc2) / Positive Supply (+Vcc2)
STK412-230 is a high-performance audio power amplifier hybrid IC , originally designed by Sanyo (now part of Panasonic ). It is primarily used in hi-fi audio systems and home theater receivers due to its high efficiency and powerful output. Core Specifications Output Power: 150W + 150W (2 channels) into an 8-ohm load.
The datasheet will typically show a vertical, multi-pin package (usually 15 to 18 pins). Key pin groups to identify on the datasheet are: If you are looking to purchase a replacement
| Source | Description | |------|------| | | A dedicated page for the STK412‑230, including a description and a link to the PDF. | | datasheet.es | A straightforward portal offering a direct PDF download. | | Jotrin | Provides a product page for the STK412‑230E with a datasheet link (JavaScript‑based). | | ExcessChip | A free PDF datasheet is available, along with pin layout and equivalent components. |
resistor in series with a 0.1µF capacitor) connected from the output pins to the chassis ground to prevent high-frequency oscillations from damaging connected speakers. Troubleshooting and Repairing STK412-230 Modules
: It usually comes in a SIP18 (Single Inline Package) , allowing for vertical mounting to save PCB space and easier attachment to large aluminum heatsinks for thermal management.







